SKU: A2037764A, A-2037-764-A.Board Number s : 188920222, 173457422, A2037451B.Substitute Parts: A2037764A, A2037764B, A2037764C, A2037764D.Compatible Models: Sony KDL48W600B, Sony KDL48W590B, Sony KDL40W600B, Sony KDL40W590B, Sony KDL60W610B, Sony KDL60W630B, Sony KDL48W580B, Sony KDL40W580B.Notes: SOFTWARE UPDATE MAY BE REQUIRED TO MATCH MAIN BOARD WITH T-CON AND PANEL. INSTRUCTIONS INCLUDED.